/* PDF viewer shell */
.docv-viewer {
	display: none;
	flex-direction: column;
	flex: 1;
	overflow: hidden;
}

	.docv-viewer.active {
		display: flex;
	}

.docv-viewer-topbar {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 8px 16px;
	background: #0d1117;
	border-bottom: 1px solid var(--border);
	flex-shrink: 0;
}

.docv-viewer-filename {
	font-weight: 600;
	font-size: 13px;
	flex: 1;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.docv-viewer-pagecount {
	display: flex;
	align-items: center;
	gap: 4px;
	font-size: 12px;
	color: var(--text-muted);
	white-space: nowrap;
}

.docv-page-input {
	width: 36px;
	text-align: center;
	background: var(--bg-input);
	border: 1px solid var(--border);
	border-radius: 4px;
	color: var(--text);
	font-size: 12px;
	padding: 1px 4px;
	outline: none;
	transition: border-color .15s;
}

	.docv-page-input:focus {
		border-color: var(--accent);
	}

.docv-viewer-body {
	display: flex;
	flex: 1;
	overflow: hidden;
}

/* Navigation rail */
.docv-nav-rail {
	width: 240px;
	flex-shrink: 0;
	display: flex;
	flex-direction: column;
	background: var(--bg-card);
	border-right: 1px solid var(--border);
	overflow: hidden;
}

.docv-nav-header {
	display: flex;
	align-items: center;
	gap: 7px;
	padding: 10px 14px;
	font-size: 16px;
	font-weight: 700;
	letter-spacing: .9px;
	text-transform: uppercase;
	color: var(--text-muted);
	border-bottom: 1px solid var(--border);
	background: #0d1117;
	flex-shrink: 0;
}

	.docv-nav-header i {
		font-size: 12px;
	}

.docv-nav-list {
	flex: 1;
	overflow-y: auto;
	padding: 6px 0;
}

	.docv-nav-list::-webkit-scrollbar {
		width: 4px;
	}

	.docv-nav-list::-webkit-scrollbar-thumb {
		background: #30363d;
		border-radius: 4px;
	}

.docv-nav-item {
	display: flex;
	align-items: baseline;
	gap: 6px;
	padding: 6px 14px;
	font-size: 12px;
	color: var(--text-muted);
	cursor: pointer;
	line-height: 1.4;
	transition: background .12s, color .12s;
	overflow: hidden;
}

	.docv-nav-item span {
		white-space: nowrap;
		overflow: hidden;
		text-overflow: ellipsis;
	}

	.docv-nav-item:hover {
		background: #21262d;
		color: var(--text);
	}

	.docv-nav-item.docv-nav-h1 {
		color: var(--text);
		font-weight: 600;
	}

	.docv-nav-item.docv-nav-h2 {
		padding-left: 24px;
	}

	.docv-nav-item.docv-nav-h3 {
		padding-left: 36px;
		font-size: 11.5px;
		color: #6e7681;
	}

		.docv-nav-item.docv-nav-h1:hover,
		.docv-nav-item.docv-nav-h2:hover,
		.docv-nav-item.docv-nav-h3:hover {
			color: var(--text);
		}

.docv-nav-page-badge {
	font-size: 10px;
	color: #6e7681;
	margin-left: auto;
	padding-left: 6px;
	flex-shrink: 0;
}

.docv-nav-empty {
	padding: 16px 14px;
	font-size: 12px;
	color: var(--text-muted);
	font-style: italic;
	line-height: 1.5;
}

.docv-nav-placeholder {
	padding: 16px 14px;
	font-size: 12px;
	color: #3d444d;
	font-style: italic;
}

/* Main/thumbnail rendering */
.docv-viewer-main {
	flex: 1;
	overflow-y: auto;
	background: #525659;
	scroll-behavior: smooth;
	position: relative;
}

.docv-page-wrap {
	position: relative;
	display: block;
	margin: 16px auto;
	box-shadow: 0 4px 12px rgba(0,0,0,.5);
	line-height: 0;
}

.docv-viewer-main canvas {
	display: block;
}

.docv-page-overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
	overflow: visible;
}

@keyframes aipdf-hl-in {
	0% {
		fill-opacity: .55;
		stroke-opacity: 1;
	}

	100% {
		fill-opacity: .25;
		stroke-opacity: .8;
	}
}

.docv-hl-rect {
	fill: #FA0004;
	fill-opacity: .25;
	stroke: #FA0004;
	stroke-width: 2;
	animation: aipdf-hl-in .4s ease-out forwards;
}

/* Auto-highlight: persistent light-yellow over every extracted field. */
.docv-hl-rect.docv-hl-auto {
	fill: #FFE066;
	fill-opacity: .28;
	stroke: #E0B400;
	stroke-width: 1;
	vector-effect: non-scaling-stroke;
	stroke-opacity: .55;
	animation: none;
	pointer-events: none;
}

/* Active-highlight: the field the user clicked is shown more prominently. */
.docv-hl-rect.docv-hl-active {
	fill: #FA0004;
	fill-opacity: .35;
	stroke: #FA0004;
	stroke-width: 1;
	stroke-opacity: 1;
	animation: aipdf-hl-in .4s ease-out forwards;
}

.docv-thumb-rail {
	width: 160px;
	flex-shrink: 0;
	overflow-y: auto;
	background: #1c2128;
	border-left: 1px solid var(--border);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	padding: 12px 8px;
}

	.docv-thumb-rail::-webkit-scrollbar {
		width: 4px;
	}

	.docv-thumb-rail::-webkit-scrollbar-thumb {
		background: #30363d;
		border-radius: 4px;
	}

.docv-thumb-wrap {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 4px;
	cursor: pointer;
}

	.docv-thumb-wrap canvas {
		width: 128px !important;
		height: auto !important;
		border: 2px solid #30363d;
		border-radius: 3px;
		transition: border-color .15s;
	}

	.docv-thumb-wrap:hover canvas,
	.docv-thumb-wrap.active canvas {
		border-color: var(--accent);
	}

.docv-thumb-label {
	font-size: 10px;
	color: var(--text-muted);
}

.docv-viewer-loading {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 20px;
	color: var(--text-muted);
	font-size: 13px;
}

.docv-viewer-loading-error {
	color: var(--danger);
}

/* Extraction PDF area */
.docv-ext-pdf-area {
	flex: 1;
	overflow-y: auto;
	background: #525659;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 8px;
	padding: 8px;
	min-height: 0;
}

	.docv-ext-pdf-area canvas {
		display: block;
		max-width: 100%;
		height: auto;
		box-shadow: 0 2px 6px rgba(0,0,0,.4);
	}

	.docv-ext-pdf-area::-webkit-scrollbar {
		width: 4px;
	}

	.docv-ext-pdf-area::-webkit-scrollbar-thumb {
		background: #30363d;
		border-radius: 4px;
	}